Warren Bird, Ph.D., is an award winning author (ECPA Gold Medallion and other awards) who has written or collaboratively authored 27 books for Christian leaders. With background as a pastor and seminary professor, he currently is director of research and intellectual capital development for Leadership Network, a nonprofit that helps leading churches move from ideas to implementation to impact. He is one of the world’s leading researchers of megachurches and multisite churches. Follow him on Twitter at @warrenbird.